Ash sifter



May 17,192.7,

M. cl'rRlN 1,629 149 ASH SIFTER Filed Jan. 2 1926 UNITED y STA Patented May 17, 1927.

` Monats crrnriv, or BROOKLYN, NEW YORK.

ASH SIFTER.

Application led January This invention l'relates to .iireproof ash sitters and has for its ob]ect the production ot a construction whichis simple and inexpensive. of immulacture but et'iective in 'o]. eration.

Another objectinciudes the provision ot a dust and lireproot ash sitter wherein the several parts are separable units, thereby permitting replacement ol any part or parts as they become worn or damaged.

(')ther objects will appear' hereinafter7 and I attain these objects by the construction illustrated inthe accompanying drawing in which f l Fig'. l is a view in perspective oit a construction which embodies the princi pleso'l 'my invention.

Fig'. 2 is a y.section taken on the line 2-2 ol Fig'. l..

Fig'. 3 is an enlarged view ol? the lower portion ot one `iorin of my construction sinular to that shown in .l41 l. with the ash pan or tray in position.

Figi'. 4- is a plan view olf a slightly 1noditied form oil? construction which embodies the principles of my invention.

Fig. 5 is a. section taken on the line 5-5` of Fig. 4.

Fig. 6 is a section ot the ash pan pro vided with an opening' in the bottom thereof.

Like numerals ret'er to the same parts throughout the several views.

It is among the prime purposes ol.: my .invention to save coal. and to this end I provide a safe and convenient sitter for separatingl the ashes from the nnburned coal. My invention contemplates the use of simple and convenient means for accomplishingthe above results, whereby the sitted ashes are deposited while the unbnrned coal and heavier particles are disposed in such a manner as to be readily accessible 'for use.

I have 'found that by liberally .moistcning; the Jfurnace products before sifting, I not only avoid making' dust but thus restore and `enliven the unburned coal` so that when the sift-ed and moistened coal is used on the hot coal bed in the furnace for liring' a hotter lire is produced with more complete combustion than when unb'i'irned coal is used without moisteningr. Vith the above and other objects in view. I have devised and constructed the ash sifting` device illustrated in the accompanying drawing wherein I provide. preferably, a rectangular screen 2', 1926.` Serial No; 78,749.

trame l() otsuitable dimensions so yas to moet the requirements to which thescreen is put. For. the ordinary householder' the dimensions are comparatively small and need not exceed three feet in the larger dimension.. This trame is covered in any suitable way by screen ll. The trame l() and screen ll mayl be called the screening 'unit which may be ot any suitable constructionsothat the 'screen is integral with the "iframe, andV rthe trame may be separable from the support or it may form a part of the support, The screening unit is supported inany suitable manner by a supporting member. The screening` support comprises a rectangular back 13 and triangular side walls 14;. It is obvious that this construction of supporting' member is open at the bottom and forms with the screening' unit a suitable sitter device for separating the unbnrned coal 'from the ashes'. In order to facilitate the removal of ashes I provide a suitable ash tray or pan l5. This pan comprises a rectangular' member ot suitable dimensions to receive the supporting member and may bel of any desired depth. In the construction shown, I have illustrated and shown side walls 16, i6, as comparatively shallow. These, of course, may be deeper so as to takelcare ot a greater quantity ot ashes if desired.

In the form illustrated in Figs. 4f and 5, I have shown a trame supporting; member in the form of an enclosed rectangular casing` open at each end' and having a door 17 in the front wall 18. The back wall lQ-is of rectangular shape and is in general ot' similar `construction to that of the Supporting)y trame unit l2. The side walls are of full rectangular construction so as to completely enclose the screening' unit 1l and its frame. The lower end of the rectangular supporting unit ot this construction is adapted to receive the tray l5 similar to the one described in connection with Figs. l, 2 and 3. This Vpan may 'for convenience be provided with an opening 2O in the bottom thereof and this opening is temporarily closed with a slidable gate 2l. This gate is so construct.- ed as to be removable when the tray is laced on an ash can or barrel7 thereby at` 'Ording convenient means for emptying the tray. To prevent the possibility of dust escaping while the ashes are being sifted, I provide a cover 22 which fits over the top of the rectangular casing. This cover is lll() lened ashes on top of `trays 23 and 24 which will then automatically swing downward in the position indica-ted by dotted lines and thereby permit the ashes to drop on to the screen ll. 'The finer materiahof course, drops through `into the tray l5, while the coarser material automatically rollsout in front throng-h the door 17'. This door is vopened by the weight of the material pushing against it, and is closed `when the u1ate rial is passed through. )rv the automatically operating doors lv provide against the liberation-of dust which possibly may 'be caused bythe screening of the ashes.

It is understood that the tray illustrated in Fig. 6 may be used in place of tray 15, it' desired.

While I have described specic embodiments of my invention, it is of course understood that various modifications are possible, which fall wholly within the spirit and scope oit my invention. I do not.r therefore` desire to be understood as having' limited myself unduly by the specific constructions herein disclosed. What I claim, therefore, as new and useful, of my own invention and desire to secure by Letters Patent is:

A lireproof ash sitter comprisingr a unitary sul'iporting member, a screening unit consistingl ot' a frame and a screen thereon, said trame removably held in said supporting member, atray enfbfaqgfingthe open end of the supporting member, and a gate in said tray.

In testimony whercofl have hereunto set my hand on this 16th day of November A. D., 1925.

MORRIS CITRIN. 

